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Finding the Fourth Proportional to 750.52, 1,036.56 and 502.93

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Solution

The fourth proportional to 750.52, 1,036.56 and 502.93 is: 694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.52 : 1,036.56 = 502.93 : x
  2. Step 2: Convert to fraction form
    750.52/1,036.56 = 502.93/x
  3. Step 3: Cross multiply
    750.52x = 1,036.56 × 502.93
  4. Step 4: Simplify right side
    750.52x = 521,317.12
  5. Step 5: Solve for x
    x = 521,317.12/750.52
  6. Step 6: Final answer
    x = 694.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.